Case studies Shaft 34CrMo4 Vc = 110 m/min ap = ~1.5 mm f = 0.06 mm/rev Wet DCGT11T302MFP-SK PR1725 27 Tool life PR1725 SK chipbreaker 3,000 pcs/edge x2 1,500 Competitor D (Molded Chipb.) pcs/edge PR1725 SK chipbreaker showed 2 times longer tool life when compared to competitor D User evaluation ø12 ø8 Shaft 42CrMo4 Vc = 70 m/min ap = 1.0 mm f = 0.05 mm/rev Wet DCGT11T302MFP-SK PR1725 Tool life PR1725 SK chipbreaker 40 250 pcs/edge 150 Competitor E (Molded chipbr.) pcs/edge x1.6 PR1725 SK chipbreaker showed 1.6 times longer tool life when compared to competitor E User evaluation Shaft C35 Vc = 90 m/min ap = 0.3mm f = 0.1 mm/rev Wet DCGT11T302MFP-SK PR1725 Tool life PR1725 SK chipbreaker 300 pcs/edge Competitor F (Molded chipbr.) 200 pcs/edge x1.5 PR1725 SK chipbreaker showed 1.5 times longer tool life when compared to competitor F User evaluation ø16 ø14 Pin 20CrMo5 Vc = 110 m/min ap = 0.2~0.7 mm f = 0.07 mm/rev Wet DCGT11T302MFP-GQ PR1725 Tool life PR1725 GQ chipbreaker 200 pcs/edge Competitor G (Molded Chipbr.) 150 pcs/edge x1.3 PR1725 GQ chipbreaker showed 1.3 times longer tool life when compared to competitor G User evaluation Shaft X30Cr13 Vc = 50 m/min ap = 0.1 mm f = 0.05 mm/rev Wet DCGT11T302MFP-GQ PR1725 20 Tool life PR1725 GQ chipbreaker 600 pcs/edge x2 300 Competitor H (Molded Chipbr.) pcs/edge PR1725 GQ chipbreaker showed 2 times longer tool life when compared to competitor H User evaluation ø10 ø20 ø12 Shaft Free-cutting steel Vc = 110 m/min ap = ~2.0 mm f = 0.05 mm/rev Wet CCET09T304MFR-J PR1725 Tool life PR1725 J chipbreaker 3,000 pcs/edge x3 Competitor I (Molded Chipbr.) 1,000 pcs/edge PR1725 J chipbreaker showed 3 times longer tool life when compared to competitor I User evaluation Shaft C45 Vc = 100 m/min ap = 0.1 mm f = 0.025 mm/rev Wet DCGT11T302MFP-GF PR1725 Tool life PR1725 GF chipbreaker 3,000 pcs/edge x2 1,500 Competitor J (Molded Chipbr.) pcs/edge PR1725 GF chipbreaker showed 2 times longer tool life when compared to competitor J User evaluation ø8 ø10 Pin Alloy tool steel Vc = 110 m/min ap = 0.2 mm f = 0.05 mm/rev Wet DCGT11T302MFP-SK PR1725 PR1725 SK chipbreaker showed good surface finish and accuracy after machining same number of workpieces as the conventional C User evaluation 3
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